1
Quiz 8 Report 10/18/2017
1. Summary
0 0
1
3 3 3
0
7
0 1 2 3 4 5 6 7 8
0-3 3-4 4-5 5-6 6-7 7-8 8-9 9-10
Number of Students
Grade
Quiz 8 Grade Distribution
7.72
6.93
8.24 7.63 7.87
1.90 1.47 1.29 1.47
2.16
0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00
2017 2016 2015 2014 2013
Grade
Year
Quiz 8 Comparison with Previous Years
Average Standard Deviation Average Over 2013-2017
Total number of students 18
Attended 17
Missed 1
Average grade 7.72
Standard deviation of grades 1.90
2 2. Comments
• Many students used r-momentum instead of θ-momentum equation
• Some students assumed 𝑣𝑣
𝜃𝜃(𝑅𝑅
2) = 𝜔𝜔 instead of 𝑣𝑣
𝜃𝜃(𝑅𝑅
2) = 𝑅𝑅
2𝜔𝜔
7.54
9.18
7.96 8.46 8.41 9.13
8.16 7.72
2.04
1.00 1.31 1.05 1.08 1.12 1.74 1.90
0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00 9.00 10.00
1 2 3 4 5 6 7 8
Grade
Quiz #
Quiz Grade History
Average Standard Deviation
